Patents by Inventor Takeyoshi Kumagai

Takeyoshi Kumagai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9280403
    Abstract: To facilitate changing a system configuration and allow having high redundancy in a computer system connecting a plurality of nodes. A node includes a CPU and constitutes a computer system. The node executes one or more processes and including predetermined functions. The node includes a shared memory that stores system information including process information related to each process executed by each node, in a state accessible from each process of its own node. In the node, the system information including the process information related to each process of its own node is multicast to the other nodes. A shared memory control process of the node receives the system information multicast from the other nodes and stores the system information in the shared memory.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: March 8, 2016
    Assignees: JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY, SAS CO., LTD.
    Inventors: Shojiro Ishibashi, Takeyoshi Kumagai
  • Publication number: 20130339981
    Abstract: To facilitate changing a system configuration and allow having high redundancy in a computer system connecting a plurality of nodes. A node includes a CPU and constitutes a computer system. The node executes one or more processes and including predetermined functions. The node includes a shared memory that stores system information including process information related to each process executed by each node, in a state accessible from each process of its own node. In the node, the system information including the process information related to each process of its own node is multicast to the other nodes. A shared memory control process of the node receives the system information multicast from the other nodes and stores the system information in the shared memory.
    Type: Application
    Filed: January 31, 2012
    Publication date: December 19, 2013
    Inventors: Shojiro Ishibashi, Takeyoshi Kumagai